| Location-wise Water Quality Status of Tributary Streams (Sone, Gandak, Sikrahna, Burhi Gandak, Harbora, Kamala, Koshi, Daha, Dhous, Ramrekha, Sirsiya, Bagmati, Manusmar, Poonpun, Kohora, Harha, Lakhandei and Gangi) in Bihar (2020) | ||||||||||||||||||
| Monitoring Locations | Temperature (⁰C) | Dissolved Oxygen (mg/L) | pH | Conductivity (µmho/cm) | Bio-Chemical Oxygen Demand (mg/L) | Nitrate (mg/L) | Faecal Coliform (MPN/100 mL) | Total Coliform (MPN/100 mL) | Faecal Streptococci (MPN/100mL) | |||||||||
| > 5.0 mg/L1 | 6.5 - 8.51 | < 3.0 mg/L1 | < 2500 MPN/100 mL1 | < 500 MPN/100 mL1 | ||||||||||||||
| Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | |
| Sone at Koelwar, Bhojpur | ||||||||||||||||||
| Sone River Near Banzari, Rohtas | ||||||||||||||||||
| Sone River at Bahiyara, Bhojpur | ||||||||||||||||||
| Sone River at Nasiriganj Dam, Rohtas | ||||||||||||||||||
| Sone at Indrapuri, Dehri on Sone, Rohtas | ||||||||||||||||||
| Sone at Obra, Aurangabad | ||||||||||||||||||
| Sone at Water Intake Point Bhartiya Rail Bijali Co. Ltd. (BRBCL), Navinagar, Aurangabad | ||||||||||||||||||
| Road Bridge-Dehri-on-Sone, Rohtas | ||||||||||||||||||
| Gandak at Sonepur, Patna (B/c Ganga), Saran | ||||||||||||||||||
| Gandak at Rewaghat, Mujaffarpur | ||||||||||||||||||
| Gandak River Gopalganj Piprakothi Road Bridge (Dumaria Ghat) | ||||||||||||||||||
| Gandak at Konhara Ghat, Vaishali | ||||||||||||||||||
| Gandak at Road Bridge, U/s Hajipur | ||||||||||||||||||
| Sikrahna River at Lal Parse, Bittiah, East Champaran | ||||||||||||||||||
| Sikrahna at Chanpatiya, East Champaran | ||||||||||||||||||
| Sikrahna River at Laurea, Harinagar Road Bridge | ||||||||||||||||||
| River Sikrahna Lauria-Narkatiaganj Road Bridge, West Champaran | ||||||||||||||||||
| Burhi Gandak at Z Road Bridge, Samastipur | ||||||||||||||||||
| Burhi Gandak River U/s Road Bridge Muzaffarpur (NH) | ||||||||||||||||||
| Burhi Gandak at Akharaghat, Muzaffarpur | ||||||||||||||||||
| Burhi Gandak at Barachakia, East Champaran | ||||||||||||||||||
| Lal Bagla Ghat, Motihari Dhaka Road, East Champara | ||||||||||||||||||
| Khagaria Road Bridge, Khagaria | ||||||||||||||||||
| U/s Harbora River, West Champaran | ||||||||||||||||||
| Kamala River at Benipatti (Madhubani) | ||||||||||||||||||
| Kamala River at Darbhanga | ||||||||||||||||||
| Harbora River at Narkatiaganj, West Champaran | ||||||||||||||||||
| Kamala River at Jaynagar | ||||||||||||||||||
| Jeewach Ghat, Darbhanga | ||||||||||||||||||
| Koshi River at Kurshela at Katihar | ||||||||||||||||||
| Koshi River at Madhepura | ||||||||||||||||||
| Koshi River at Beerpur, Supaul | ||||||||||||||||||
| Daha at Siwan | ||||||||||||||||||
| Daha River D/s Rajendra Road Bride Siwan | ||||||||||||||||||
| D/s Daha River at Sasamusa, Gopalganj | ||||||||||||||||||
| Daha River at Itwa Bridge, Gopalganj | ||||||||||||||||||
| Daha River at Meerganj | ||||||||||||||||||
| U/s Sasamusa, Gopalganj | ||||||||||||||||||
| River Dhous at Madhuvapur, Madhubani | ||||||||||||||||||
| River Dhons at Madhuvapur, Madhubani | ||||||||||||||||||
| Ramrekha River at Harinagar, West Champaran | ||||||||||||||||||
| Ramrekha River at U/s Harinagar, West Champaran | ||||||||||||||||||
| Sirsiya at Raxaul, East Champaran | ||||||||||||||||||
| Sirsiya River D/s Raxaul (Koeria Tola), East Champaran | ||||||||||||||||||
| Bagmati River at Muzaffarpur- Sitamarhi Road Bridg | ||||||||||||||||||
| Bagmati River at Darbanga, Samastipur Road Bridge | ||||||||||||||||||
| U/s Manusmar River (Riga), Sitamarhi | ||||||||||||||||||
| Manusmar River at Riga, Sitamarhi | ||||||||||||||||||
| Manusmar at Parshurampur, Riga - Belsund Road, Sitamarhi | ||||||||||||||||||
| Poonpun River Near Poonpun Rail Bridge | ||||||||||||||||||
| Poonpun River Near Kinzer Road Bridge, Jehanabad | ||||||||||||||||||
| U/s Kohra, Raj Ghat, Manjhaulia, West Champaran | ||||||||||||||||||
| D/s Kohra, Raj Ghat, Manjhaulia, West Champaran | ||||||||||||||||||
| Harha River at Bagha, Lauriya Road Bridge | ||||||||||||||||||
| River Lakhandei Sitamarhi U/s | ||||||||||||||||||
| River Lakhandei Sitamarhi D/s | ||||||||||||||||||
| Gangi at Ara, D/s | ||||||||||||||||||
| India | ||||||||||||||||||
